Fair Value of Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2017

Fair Value Disclosures [Abstract]

Financial Assets and Liabilities Measured at Fair Value on Recurring Basis

The following table summarizes our financial assets and liabilities that are measured at fair value on a recurring basis and the fair value measurements, by level, within the fair value hierarchy as of September 30, 2017 and December 31, 2016:

			Fair Value Measurements Using:
As of September 30, 2017	Fair Value		Quoted Prices in Active Markets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
(in thousands)
Assets:
Investments—equity securities	$	22	$	22	$	—	$	—
Investments—guaranteed income fund	642		—		—		642
Investments—mutual funds and other	5,716		5,716		—		—
Total investments	6,380		5,738		—		642
Derivative assets	1,526		—		1,526		—
Total assets	$	7,906	$	5,738	$	1,526	$	642
Liabilities:
Derivative liabilities	$	1,732	$	—	$	1,732	$	—

			Fair Value Measurements Using:
As of December 31, 2016	Fair Value		Quoted Prices in Active Markets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
(in thousands)
Assets:
Investments—equity securities	$	21	$	21	$	—	$	—
Investments—guaranteed income fund	561		—		—		561
Investments—mutual funds and other	4,320		4,320		—		—
Total investments	4,902		4,341		—		561
Derivative assets	823		—		823		—
Total assets	$	5,725	$	4,341	$	823	$	561
Liabilities:
Derivative liabilities	$	773	$	—	$	773	$	—

Summary of Changes in Fair Value of Investments

The following table sets forth the summary of the changes in the fair value of Level 3 investments for the nine months ended September 30, 2017 and 2016:

	Nine Months Ended   September 30,
	2017			2016
(in thousands)
Beginning Balance	$	561		$	279
Purchases and adjustments	76			120
Transfers	—			88
Distribution	(2		)	(8		)
Investment income	7			6
Ending Balance	$	642		$	485